About Commercial Support
Fess is open source software provided under the Apache License and can be used freely for personal or commercial purposes.
N2SM, Inc. provides:
N2 Search: Commercial product version of Fess
Search Solution Support: Customization and deployment assistance for Fess and OpenSearch
N2 Search
N2 Search differs from Fess in the following ways:
Improved search performance
Optimized disk usage
Enhanced security for administrative features
Morphological analysis supporting new words
Service Plan Comparison
| Open Source Edition | N2 Search Standard | N2 Search Enterprise | |
|---|---|---|---|
| Cost | Free | Paid | Paid |
| Document limit | Unlimited | Limited | Unlimited |
| Community support | Yes | Yes | Yes |
| Email support | No | Yes | Yes |
| Phone support | No | No | Yes |
| Dedicated contact | No | No | Yes |
| SLA guarantee | No | No | Yes |
| Customization | Community-dependent | Optional | Available |
| Training | No | Optional | Available |
Note
For detailed pricing, please contact us via the N2SM contact form.
Support Services
If you need the following services, please consider Commercial Support (Search Solution Support):
Deployment and operation consulting
Custom development for specific requirements (The Fess project addresses general requirements but does not support individual-specific requirements)
Large-scale document crawling (Projects involving more than 500,000 documents require sufficient knowledge of Fess/OpenSearch)
Cluster configuration
Search result optimization for enterprise/internal search
Fess/OpenSearch server tuning
Investigation and support for files that cannot be indexed (The Fess project does not support cases where dependent libraries cannot read files; please consult commercial support if needed)
High-speed full-text search system environment construction
Maintenance of specific versions (The Fess project only provides fixes for the latest version)
Training
Other services
Support Details
| Item | Details |
|---|---|
| Business hours | Weekdays 9:00-18:00 (Japan Standard Time) |
| Languages | Japanese, English |
| Initial response target | Within 1 business day |
| Contact methods | Email, Phone (Enterprise plan only) |
Note
For emergency or 24/7 support needs, please consider the Enterprise plan.
Contact Us
For commercial support inquiries, please reach out through the following:
Web form: N2SM Contact Form
Company info: N2SM, Inc.
Information to prepare when contacting us:
Fess version you are using (or considering)
Expected document count and usage scale
Required support (deployment assistance, customization, operational support, etc.)
Desired implementation timeline
Frequently Asked Questions
Q: What is the difference between the open source and commercial editions?
A: The open source edition (Fess) is free to use, but technical support is community-based. The commercial edition (N2 Search) includes improved search performance, enhanced security features, and professional support.
Q: Can I try it before purchasing?
A: Yes. The open source Fess can be downloaded and tried immediately from the download page. For N2 Search, please contact us via the inquiry form to discuss a trial.
Q: Can I migrate from Fess to N2 Search?
A: Yes, migration is possible. For detailed migration procedures, please contact commercial support. We will guide you on index data migration and configuration transfer.
Q: Are support contracts annual?
A: Support contract terms are flexible and can be tailored to your needs. For details, please contact us via the N2SM contact form.
Q: Can Fess be used in cloud environments?
A: Yes, it can be used on major cloud platforms such as AWS, Azure, and GCP. For Docker-based deployment, see the Docker Installation Guide.